Global Variable グローバル変数

NSProcessInfoPowerStateDidChangeNotification

Posts when the power state of a device changes.

Declaration 宣言 

const NSNotificationName NSProcessInfoPowerStateDidChangeNotification;

Discussion 議論

After your observer receives this notification, query the lowPowerModeEnabled property to determine the current power state of the device. If Low Power Mode is active, take appropriate steps to reduce activity in your app. Otherwise, your app can resume normal operations.

The notification object is an NSProcessInfo instance.

See Also 参照

Notifications 通知

NSProcessInfoThermalStateDidChangeNotification
Posts when the thermal state of the system changes.

Related Documentation 関連文書

- addObserver:selector:name:object:
Adds an entry to the notification center to call the provided selector with the notification. ある登録項目を通知センターに加えて、提供されたセレクタをその通知で呼び出すようにします。
lowPowerModeEnabled
A Boolean value that indicates the current state of Low Power Mode.
NSNotificationCenter
A notification dispatch mechanism that enables the broadcast of information to registered observers. 登録されたオブザーバへの情報の放送を可能にする通知ディスパッチの仕組み。